<html>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<?php
echo "<pre>";
echo "<br><br>";
echo "<br><br>";

echo "* * * * * * * * * * * * * * * * * * * * * * * * * *<br><br>";

echo "         管理系统只能在本地登陆<br><br>";
echo "           本系统外部禁止访问<br><br>";

echo "* * * * * * * * * * * * * * * * * * * * * * * * * *<br>";
echo "</pre>";

if(getenv("REMOTE_ADDR")=='127.0.0.1'||strstr(getenv("HTTP_X_FORWARDED_FOR"),'127.0.0.1')||getenv("HTTP_CLIENT_IP")=='127.0.0.1')
{
	echo "nctf{happy_http_headers}";
}
else
{
	echo "不是本地登陆你还想要flag？";
}
?>

</html>
